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Structural Study of the Gel Phase of a Semifluorinated Alkane in a Mixed Solvent
Semifluorinated n-alkanes, F3C(CF2)m-1(CH2)n-1CH3 (for short, FmHn) are short-chain diblock copolymers that show interesting properties when dissolved in nonaqueous media. Due to the highExpand
Fluorinated Microemulsions: A Study of the Phase Behavior and Structure
Fluorinated surfactants have been studied for their peculiar property to form micellar aggregates in water and oils (hydrocarbons or fluorocarbons) and to produce stable microemulsions. Because ofExpand
SANS investigation of self-assembling dendrimers in organic solvents.
The self-assembly behaviour of tetraacids1a–c and tetraester 4 in CDCl 3 and [ 2 H 8 ]tetrahydrofuran {[ 2 H 8 ]THF} has been investigated by the small-angle neutron scatteringExpand
Effect of a Semifluorinated Copolymer on the Phase Separation of a Fluorocarbon/ Hydrocarbon Mixture
Fluorocarbons (C{sub n}F{sub 2n+2}) and hydrocarbons (C{sub n}H{sub 2n+2}) are mutually immiscible at room temperature, while they form clear and homogeneous mixtures at high temperatures. The phaseExpand
Structure and dynamics of water-in-oil microemulsions near the critical and percolation points
The three-component ionic microemulsion system consisting of AOT/water/ decane shows an interesting phase behavior in the vicinity of room temperature. The phase diagram in the temperature-volumeExpand
Characterization of an x-ray source with a partitioned diamond-tungsten target for electronic brachytherapy with 3D beam directionality.
TLDR
The spectral and dosimetric characterization of the SculpturaTMx-ray source is reported through a combination of measurements and Monte Carlo simulations for operating points between 50 - 100 kV, thus achieving true 3D beam directionality. Expand
Small-angle X-ray and neutron scattering studies of 3-component microemulsion and micellar solution of semifluorinated copolymers
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1996.
Measurement and interpretation of counterion distributions around cylindrical micelles
Radial distributions of heavy monovalent counterions around cylindrical micelles are measured directly using a small angle x-ray scattering. For the purpose of the analysis, the shape and size of theExpand
The MIT specular and diffuse neutron reflectometer for the investigation of surfaces and interfaces
A specular and diffuse neutron reflectometer was designed at the Massachusetts Institute of Technology nuclear reactor, MITR-II, and the description of the facility is presented in this paper. ThisExpand
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